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  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
  • C08G77/42—Block-or graft-polymers containing polysiloxane sequences
  • C08G77/46—Block-or graft-polymers containing polysiloxane sequences containing polyether sequences
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
  • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
  • C07F7/02—Silicon compounds
  • C07F7/08—Compounds having one or more C—Si linkages
  • C07F7/0834—Compounds having one or more O-Si linkage
  • C07F7/0838—Compounds with one or more Si-O-Si sequences
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
  • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
  • C07F7/02—Silicon compounds
  • C07F7/08—Compounds having one or more C—Si linkages
  • C07F7/0834—Compounds having one or more O-Si linkage
  • C07F7/0838—Compounds with one or more Si-O-Si sequences
  • C07F7/0872—Preparation and treatment thereof
  • C07F7/0876—Reactions involving the formation of bonds to a Si atom of a Si-O-Si sequence other than a bond of the Si-O-Si linkage
  • C07F7/0878—Si-C bond
  • C07F7/0879—Hydrosilylation reactions
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  • C07—ORGANIC CHEMISTRY
  • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
  • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
  • C07F7/02—Silicon compounds
  • C07F7/08—Compounds having one or more C—Si linkages
  • C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
  • C07F7/1804—Compounds having Si-O-C linkages
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
  • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
  • C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
  • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
  • C08G65/32—Polymers modified by chemical after-treatment
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
  • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
  • C08G65/32—Polymers modified by chemical after-treatment
  • C08G65/329—Polymers modified by chemical after-treatment with organic compounds
  • C08G65/331—Polymers modified by chemical after-treatment with organic compounds containing oxygen
  • C08G65/332—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof
  • C08G65/3322—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof acyclic
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
  • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
  • C08G65/32—Polymers modified by chemical after-treatment
  • C08G65/329—Polymers modified by chemical after-treatment with organic compounds
  • C08G65/336—Polymers modified by chemical after-treatment with organic compounds containing silicon
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
  • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
  • C10M2229/04—Siloxanes with specific structure
  • C10M2229/045—Siloxanes with specific structure containing silicon-to-hydroxyl bonds
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
  • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
  • C10M2229/04—Siloxanes with specific structure
  • C10M2229/046—Siloxanes with specific structure containing silicon-oxygen-carbon bonds
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
  • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
  • C10M2229/04—Siloxanes with specific structure
  • C10M2229/047—Siloxanes with specific structure containing alkylene oxide groups
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
  • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
  • C10M2229/04—Siloxanes with specific structure
  • C10M2229/048—Siloxanes with specific structure containing carboxyl groups
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
  • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
  • C10N2020/01—Physico-chemical properties
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
  • C10N2040/00—Specified use or application for which the lubricating composition is intended
  • C10N2040/46—Textile oils
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10S516/00—Colloid systems and wetting agents; subcombinations thereof; processes of
  • Y10S516/01—Wetting, emulsifying, dispersing, or stabilizing agents

Definitions

• This invention relates to new and useful organosilicon compounds and to a process for the production thereof.
• organosilicon compounds those in which a polyether residue is attached to silicon via a bridging group which has a hydroxy, acyloxy, alkoxy or aryloxy group attached thereto, i.e. compounds containing the group ##STR1## where R is an alkylene group or alkylene groups joined together via oxygen, A is a hydroxy, acyloxy, alkoxy or aryloxy group and B is a polyether residue.
• R is an alkylene group or alkylene groups joined together via oxygen
• A is a hydroxy, acyloxy, alkoxy or aryloxy group
• B is a polyether residue.
• A is a hydroxy group is the best known and most useful, the esterified and in particular the etherified derivatives being difficult to prepare in good yield and uncontaminated by unreacted hydroxylic material.
• a new and useful class of organosilicon compounds comprises compounds having attached to silicon at least one group of the general formula ##STR2## where ##STR3## or ##STR4##
• R 1 is a group of valency c + 1 composed of C and H, C, H and F or, except when R 3 in formula II contains a single ether oxygen, of C, H and O in the form of ether linkages and having not more than 50 carbon atoms, not more than 12 of which are in aromatic rings
• R 2 is a divalent group of formula --CH(R 6 )CH 2 -- (IV), --CH ⁇ CH-- (V) or OR(B)-- (VI) the remaining valency being bonded to a second silicon atom
• R 3 is a divalent group composed of C, H and optionally O and having not more than 20 carbon atoms
• R 4 is H or a monovalent hydrocarbon group having not more than 6 carbon atoms
• R 5 is a cycloaliphatic group having 5 or 6 carbon
• the trivalent group R is derived from an aliphatic or cycloaliphatic mono epoxide having a terminal olefinic double bond, after reaction with R 7 (OH) b wherein b is 1 or 2 and R 7 is R 1 or when b is 1 may be R 1 C(R 6 ) ⁇ CH 2 or R 1 C.tbd.CH, and hydrosilation.
• Typical such groups include, for example, ##STR5##
• the group R 1 when monovalent may be an optionally fluorinated alkyl, aryl, alkaryl, aralkyl or cycloalkyl group or a non-terminally unsaturated alkenyl group such as, for example, a methyl, ethyl, propyl, butyl, decyl, octadecyl, phenyl, tolyl, nonylphenyl, benzyl, cyclohexyl or oleyl group, H(CF 2 ) 4 CH 2 --, (CF 3 ) 2 CH-- or C 6 HF 4 -- or a group composed of C, H and O such as CH 3 OCH 2 CH 2 --, CH 3 (OCH 2 CH 2 ) 2 --, C 2 H 5 (OCH 2 CH 2 ) 3 --, C 6 H 11 (OCH 2 CH 2 ) 5 [OCH 2 CH(CH 3 )] 5 -- or C 9 H 19 .C 6 H 4 (OCH 2 CH 2 ) 8
• the silicon compounds of our invention include silanes and siloxanes.
• the silanes are of the general formula R 8 e G f SiX 4-e-f where R 8 is a monovalent hydrocarbon group having not more than 10 carbon atoms, G is a group of formula (I) or denotes a link to a divalent group R 2 , X is a hydrolysable group selected from chlorine and bromine and alkoxy, alkoxyalkoxy or acyloxy groups having not more than 4 carbon atoms, e is 0, 1, 2 or 3, f is 1, 2 or 3 but is preferably 1 and e + f is 1, 2 or 3.
• R 8 may be an alkyl, aryl, alkaryl, aralkyl or cycloalkyl group, such as for example, a methyl, ethyl, propyl, butyl, octyl, decyl, tolyl, benzyl or cyclohexyl group.
• methyl and phenyl groups are preferred and methyl groups are especially preferred.
• the group X may be, for example, chlorine or bromine, or a methoxy, ethoxy, propoxy, butoxy, 2-methoxyethoxy, ethoxyethoxy, acetyl, propionyl or butyryl group. Normally methoxy, ethoxy and 2-methoxyethoxy groups are preferred.
• siloxanes of our invention consist of units ##EQU1## with or without units of the formula ##EQU2## where R 9 is a monovalent hydrocarbon group having not more than 10 carbon atoms, optionally substituted by halogen or cyano, or a hydrogen atom provided that in no unit is there present both a substituted hydrocarbon group and a hydrogen atom bonded to silicon, and r is 0, 1, 2 or 3.
• Suitable groups R 9 include, for example, hydrogen, methyl, ethyl, propyl, butyl, octyl, decyl, tolyl, benzyl, cyclohexyl, ⁇ -chloropropyl, ⁇ -chloroiso-butyl, p-chlorophenyl, 3,3,3-trifluoropropyl, ⁇ -cyanoethyl and ⁇ -cyanopropyl groups.
• methyl and phenyl groups are preferred and methyl groups are especially preferred.
• the group B may be of the general formula (OC n H 2n ) x OR 10 where R 10 is hydrogen or an alkyl, aryl, alkaryl, aralkyl, cycloalkyl, acyl, carbamyl, alkoxycarbonyl or silyl group having up to 10 carbon atoms, n is 2, 3 or 4, not all units necessarily being alike, and x is an integer from 2 to 100.
• Suitable groups R 10 include, for example, methyl, ethyl, propyl, butyl, octyl, decyl, phenyl, tolyl, benzyl, cyclohexyl, acetyl, propionyl, phenyl-carbamyl, ethoxycarbonyl and trimethylsilyl groups.
• R 10 is preferably an alkyl group having not more than 5 carbon atoms, an acetyl or phenylcarbamyl group.
• the silicon compounds of our invention are produced by reacting a terminally unsaturated mono epoxide with a compound R 7 (OH) b , as hereinbefore defined, oxyalkylating the hydroxyether so produced with ethylene oxide and/or propylene oxide and/or tetrahydrofuran and reacting the product with a silicon compound containing at least one -- SIH group.
• R 7 (OH) b is a diol or a terminally unsaturated mono-ol
• the resulting polyether will contain two unsaturated groups capable of hydrosilation and c in the final product will have a value of 1, R 2 then forming a linking group to another silicon atom.
• the compound R 7 (OH) b is reacted with the epoxide in known manner in the presence of a catalyst which may be acidic or basic, for example, a Lewis' acid such as boron trifluoride etherate or stannic chloride or a base such as sodium or potassium hydroxide. Potassium hydroxide is in fact particularly suitable.
• the oxyalkylation step is also carried out in presence of a catalyst which may in many cases be the same as that used for the previous reaction. When tetrahydrofuran is used, however, it is necessary that the catalyst be acidic, for example, such as boron trifluoride etherate.
• the hydroxyether may, if desired, be purified before the oxyalkylation.
• a partial sodium or potassium salt of R 7 (OH) b is first prepared and purified to remove traces of moisture and alkali metal hydroxide which would give rise to polyglycol by-products during the oxyalkylation stage.
• This partial salt is then reacted with the unsaturated epoxide and the resulting hydroxyether partial salt heated under reduced pressure to remove unreacted R 7 (OH) b , if volatile, and other volatile impurities which could give rise to undesirable by-products at the oxyalkylation stage.
• Oxyalkylation with ethylene oxide and/or propylene oxide is then carried out at elevated temperature and pressure, e.g. 80°-120° C and 2-3 atmospheres pressure.
• the oxyalkylated hydroxyether is neutralised and the terminal OH group on the polyether chain may be reacted in known manner to replace the hydrogen atom with another R 10 group as desired.
• Such reaction of the OH group may, if desired, be carried out after the hydrosilation stage or it may be desired to leave the OH group unreacted.
• This reaction of the OH group if desired, may be effected by esterification with an acid anhydride or chloride, by etherification using any of the well known methods, e.g.
• the hydrosilation is carried out at elevated temperature either in absence or presence of a solvent which may be a hydrocarbon solvent or an ether solvent and in presence of a known catalyst for such hydrosilation reactions which may be a heterogeneous catalyst such as finely divided platinum metal, but is preferably a homogeneous catalyst in the form of a soluble compound or complex of a metal from Group VIII of the periodic table which is known to catalyse hydrosilation reactions.
• a solvent which may be a hydrocarbon solvent or an ether solvent
• a known catalyst for such hydrosilation reactions which may be a heterogeneous catalyst such as finely divided platinum metal, but is preferably a homogeneous catalyst in the form of a soluble compound or complex of a metal from Group VIII of the periodic table which is known to catalyse hydrosilation reactions.
• Such homogeneous catalysts include platinum compounds such as chloro-platinic acid, platinum alcoholates, platinum-olefine complexes and complexes with amines, phosphines and sulphides and platinum complexes containing silicon, rhodium or palladium complexes with, for example, triphenyl phosphine, and cobalt complexes such as dicobalt ostacarbonyl.
• Preferred catalysts are chloroplatinic acid and bis-diethylsulphide platinous chloride complex.
• the silanes of our invention are prepared using as starting silicon compound a silane of general formula R 8 e H f SiX 4-e-f where R 8 , X, e and f are as hereinbefore defined.
• R 8 when present, is preferably a methyl group.
• Particularly preferred reactants are H.SiCl 3 , H.Si(OMe) 3 , H.Si(OEt) 3 , H.Si(OCH 2 CH 2 OCH 3 ) 3 , MeHSiCl 2 , MeHSi(OMe) 2 , MeHSi(OEt) 2 and MeHSi(OCH 2 CH 2 OCH 3 ) 2 .
• siloxanes of our invention may be prepared by hydrolysis or cohydrolysis and condensation of the silanes. They may also be prepared by the method described using as starting silicon compound a siloxane having at least one unit of general formula ##STR6## any remaining units being of formula ##EQU3## where R 8 , e, f and r are as hereinbefore defined and R 11 is an optionally substituted monovalent hydrocarbon group as defined for R 9 .
• a preferred class of siloxane reactants has the general formula
• R 11 be a methyl group.
• Suitable branching units are R 11 SiO 3/2 , H.SiO 3/2 and SiO 2 .
• silanes may be used for a wide variety of other purposes including the surface treatment of finely divided solids such as pigments and fillers for plastics, rubbers, paints and inks to modify their surface properties and enhance their wettability and compatibility with a variety of liquid or resinous materials and to aid their dispersion in and reinforcement of plastics and elastomeric materials.
• the siloxanes are useful as nonionic surface active agents in a variety of applications including fibre treatment, emulsification, heat sensitisation of latices, cell structure control in expanded plastics and elastomers, and wetting of surfaces generally including low energy surfaces.
• a solution containing 5.0 mole % sodium methoxide in methanol was prepared by adding 2.3 parts of sodium to 64.0 parts of methanol in a reaction flask protected by nitrogen. 114.0 Parts of allylglycidyl ether were added dropwise to the solution at between 60° and 80° C. The solution was maintained at 80° C for 1.0 hour on completing the addition after which material volatile up to 80° C at 20 mm Hg pressure was removed leaving a residue consisting of 4,8-dioxa-6-hydroxynon-1-ene, 10 mole % sodium salt.
• the polysiloxane was prepared from the appropriate chlorosilanes by a standard hydrolysis and equilibration process well established in the field of polysiloxane chemistry.
• the product was a light amber oil of viscosity 400 cP which had an infrared spectrum that showed only a trace of unreacted SiH was present.
• a significant reduction in fibre/fibre and fibre/steel friction was observed.
• Example 1 146 Parts of 4,8-dioxa-6-hydroxynon-1-ene, 10 mole % sodium salt were prepared as in Example 1. This material was reacted with 440 parts of ethylene oxide followed by reaction with 116 parts of propylene oxide at 95° C and 40 psig by the well established procedure for the oxyalkylation of alcohols and gave 702 parts of condensate which was neutralised and devolatilised in the manner described in Example 1. The product was a light brown amber oil with a hydroxyl value of 80 mg KOH g -1 and an unsaturation value of 1.43 m.eq g -1 .
• Example 1 in 110 parts of toluene using 0.0228 part of bis(diethylsulphide) platinum (II) chloride as in Example 1.
• the polysiloxane was prepared as described in Example 1.
• the product was a light amber oil of viscosity 1400 cP which was readily soluble in water and which behaved as an efficient surfactant in the production of rigid polyurethane foam.
• Example 1 146 Parts of 4,8-dioxa-6-hydroxynon-1-ene, 10 mole % sodium salt were prepared in the manner described in Example 1. This material was reacted with a mixture of 780 parts of ethylene oxide and 780 parts of propylene oxide at 95° C and 40 psig under the conditions of Example 1 and gave 1706 parts of condensate which was neutralised and devolatilised as in Example 1. The product was a light amber oil with a hydroxyl value of 33 mg KOH g -1 and an unsaturation value of 0.59 m.eq g -1 .
• Example 5 192 Parts of the acetylated polyether used in Example 5 were reacted with 6.8 parts of a polysiloxane of average formula ##STR9## in 150 parts of toluene using 0.0228 parts of bis(diethylsulphide) platinum (II) chloride as catalyst under the conditions of Example 1.
• the product was a light amber oil of viscosity 1000 cP which was found to be a temperature sensitive coagulant for styrene butadiene latex.
• 4,8,11-Trioxa-6-hydroxydodec-1-ene was prepared by reaction of 150 parts of 2-methoxyethanol with 114.0 parts of allylglycidyl ether in the presence of 5.6 parts of potassium hydroxide and was purified by distillation under reduced pressure. 180 Parts of the product and 1.63 parts of potassium hydroxide were reacted with 567 parts of ethylene oxide under the conditions of Example 1 and the condensate purified as described in Example 1.
• the product polyether was a light amber oil with a hydroxyl value of 81 mg KOH g -1 and an unsaturation value of 1.34 m.eq g -1 .
• a 5 mole % alkoxide solution was prepared by adding 2.3 parts of sodium to 106 parts of diethyleneglycol in a flask protected by nitrogen. 228 Parts of allylglycidylether were added to the alkoxide solution under the conditions of Example 1 giving 336 parts of residue which was reacted with a mixture of 1560 parts of ethylene oxide and 1560 parts of propylene oxide at 95° C and 40 psig under the conditions of Example 1 and gave 3456 parts of a condensate which was devolatilised and neutralised as in Example 1.
• the so produced polyether diol was a light amber oil with a hydroxyl value of 32.4 mg KOH g -1 and an unsaturation value of 0.58 m.eq. g -1 .
• the product was a light amber viscous oil which was useful as a temperature sensitive coagulant for styrene-butadiene latex.

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• 1975
  • 1975-08-29 GB GB35706/75A patent/GB1499385A/en not_active Expired
• 1976
  • 1976-08-11 US US05/713,503 patent/US4059606A/en not_active Expired - Lifetime
  • 1976-08-19 DE DE19762637383 patent/DE2637383A1/de active Pending
  • 1976-08-20 NL NL7609265A patent/NL7609265A/xx not_active Application Discontinuation
  • 1976-08-20 BE BE169987A patent/BE845406A/xx unknown
  • 1976-08-27 FR FR7625906A patent/FR2322164A1/fr active Granted
  • 1976-08-30 JP JP51103536A patent/JPS5231035A/ja active Pending

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